condition	mean	min	max
4 h after light	9.11157	8.343497	9.879643
8 h after light	8.768861999999999	8.505692	9.032032
12 h after light	9.4931825	9.068011	9.918354
4 h after dark	8.552481499999999	8.343497	8.761466
8 h after dark	7.931868	7.164135	8.699601
12 h after dark	7.499408	7.499408	7.499408